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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 543 - 552 (10page)
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초록· 키워드
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For efficient prevention and treatment of enteric colibacillosis, understanding about latest virulence factors and antimicrobial resistance of Escherichia coli is essentially needed. The aim of this study was to survey antimicrobial resistance and determine the prevalence of fimbriae and enterotoxin genes among 118 pathogenic E. coli isolates obtained from Korean pigs with diarrhea between 2016 and 2017. The genes for the toxins and adhesins were amplified by polymerase chain reaction (PCR). The susceptibility of the E. coli isolates to antimicrobials were tested using the standard Kirby-Bauer disk diffusion method. The most prevalent fimbrial antigen was F18 (40.7%), followed by F4 (16.9%), and the most prevalent combinations of toxin genes were Stx2e (21.2%), STb:EAST-1 (19.5%), and STa:STb (16.9%), respectively. Among the pathotypes, enterotoxigenic E. coli (ETEC) was the most predominant (67.8%), followed by Shiga-toxin producing E. coli (STEC, 23.7%). We confirmed high resistance rates to chloramphenicol (88.1%), tetracycline (86.4%), streptomycin (86.4%), and ampicillin (86.4%). And the majorities of isolates (90.7%) showed multi-drug resistance which means having resistance to 3 or more subclasses of antimicrobials. Results of this study can be a source of valuable data for investigating the epidemiology of and control measures for enteric colibacillosis in Korean piggeries.
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참고문헌 (29)
참고문헌 신청
Fairbrother JM / 2012 / Diseases of swine / John Wiley Sons :723~749
Byun JW / 2013 / O-serogroups, virulence genes of pathogenic Escherichia coli and pulsed-field gel electrophoresis (PFGE) patterns of O149 isolates from diarrhoeic piglets in Korea / Vet Med (Praha) 58:468~476
Duan Q / 2012 / Major virulence factors of enterotoxigenic Escherichia coli in pigs / Ann Microbiol 62:7~14
National Veterinary Research & Quarantine Service / 2006 / Establishment of control system of antibiotics for livestocks / Ministry of Food and Drug Safety
Animal and Plant Quarantine Agency / 2013 / Establishment of antimicrobial resistance surveillance system for livestock 2012 / Ministry of Agriculture, Food and Rural Affairs
Byun JW / 2013 / O-serogroups, virulence genes of pathogenic Escherichia coli and pulsed-field gel electrophoresis (PFGE) patterns of O149 isolates from diarrhoeic piglets in Korea / Vet Med (Praha) 58:468~476
Duan Q / 2012 / Major virulence factors of enterotoxigenic Escherichia coli in pigs / Ann Microbiol 62:7~14
National Veterinary Research & Quarantine Service / 2006 / Establishment of control system of antibiotics for livestocks / Ministry of Food and Drug Safety
Animal and Plant Quarantine Agency / 2013 / Establishment of antimicrobial resistance surveillance system for livestock 2012 / Ministry of Agriculture, Food and Rural Affairs
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